High Voltage Pin Type Insulator ANSI 56-4

High Voltage Pin Type Insulator ANSI 56-4

The following pin insulators comply with the ANSI Standard. The glaze colors of the insulators are brown or light gray.


Diameter (D): 12 Inches (305mm)

Height (H): 9 1/2 Inches (241mm)

Leakage Distance: 27 Inches (686mm)

Dry Arcing Distance: 11 1/4 Inches (286mm)

Min Pin Height: 10 Inches (254mm)

Mechanical Values:

Cantilever Strength: 3,000Pounds (13.6kN)

Electrical Values:

Typical Application Voltage: 46kV

Low Frequency Dry Flashover Voltage: 140kV

Low Frequency Wet Flashover Voltage: 95kV

Critical Impulse Flashover Voltage, Positive: 225kV

Critical Impulse Flashover Voltage, Negative: 310kV

Low Frequency Puncture Voltage: 185kV

Radio Influence Voltage Data:

Test Voltage RMS to Ground: 30kV

Maximum RIV at 1000 kHz: 200μV

Packing and Shipping Data:

Net Weight, Approximate: 10.8kg